--- /dev/null
- #include <mach/gpio.h>
+/*
+ * linux/arch/arm/mach-at91/board-usb-a926x.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2007 Calao-systems
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
++#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/spi/mmc_spi.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91_shdwc.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init ek_init_early(void)
+{
+ /* Initialize processor: 12.00 MHz crystal */
+ at91_initialize(12000000);
+
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PB11,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+static void __init ek_add_device_udc(void)
+{
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20())
+ ek_udc_data.vbus_pin = AT91_PIN_PC5;
+
+ at91_add_device_udc(&ek_udc_data);
+}
+
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+#define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4
+static int at91_mmc_spi_init(struct device *dev,
+ irqreturn_t (*detect_int)(int, void *), void *data)
+{
+ /* Configure Interrupt pin as input, no pull-up */
+ at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0);
+ return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int,
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ "mmc-spi-detect", data);
+}
+
+static void at91_mmc_spi_exit(struct device *dev, void *data)
+{
+ free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data);
+}
+
+static struct mmc_spi_platform_data at91_mmc_spi_pdata = {
+ .init = at91_mmc_spi_init,
+ .exit = at91_mmc_spi_exit,
+ .detect_delay = 100, /* msecs */
+};
+#endif
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info usb_a9263_spi_devices[] = {
+#if !defined(CONFIG_MMC_AT91)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ }
+#endif
+};
+
+static struct spi_board_info usb_a9g20_spi_devices[] = {
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+ {
+ .modalias = "mmc_spi",
+ .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 1,
+ .chip_select = 0,
+ .platform_data = &at91_mmc_spi_pdata,
+ .mode = SPI_MODE_3,
+ },
+#endif
+};
+
+static void __init ek_add_device_spi(void)
+{
+ if (machine_is_usb_a9263())
+ at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices));
+ else if (machine_is_usb_a9g20())
+ at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices));
+}
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PE31,
+ .is_rmii = 1,
+};
+
+static void __init ek_add_device_eth(void)
+{
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20())
+ ek_macb_data.phy_irq_pin = AT91_PIN_PA31;
+
+ at91_add_device_eth(&ek_macb_data);
+}
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "barebox",
+ .offset = 0,
+ .size = 3 * SZ_128K,
+ }, {
+ .name = "bareboxenv",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_128K,
+ }, {
+ .name = "bareboxenv2",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_128K,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 4 * SZ_1M,
+ }, {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
+ }, {
+ .name = "data",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct atmel_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PA22,
+ .enable_pin = AT91_PIN_PD15,
+ .partition_info = nand_partitions,
+};
+
+static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 1,
+ .ncs_write_setup = 0,
+ .nwe_setup = 1,
+
+ .ncs_read_pulse = 3,
+ .nrd_pulse = 3,
+ .ncs_write_pulse = 3,
+ .nwe_pulse = 3,
+
+ .read_cycle = 5,
+ .write_cycle = 5,
+
+ .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+ .tdf_cycles = 2,
+};
+
+static struct sam9_smc_config __initdata usb_a9g20_nand_smc_config = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 2,
+ .ncs_write_setup = 0,
+ .nwe_setup = 2,
+
+ .ncs_read_pulse = 4,
+ .nrd_pulse = 4,
+ .ncs_write_pulse = 4,
+ .nwe_pulse = 4,
+
+ .read_cycle = 7,
+ .write_cycle = 7,
+
+ .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+ .tdf_cycles = 3,
+};
+
+static void __init ek_add_device_nand(void)
+{
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20()) {
+ ek_nand_data.rdy_pin = AT91_PIN_PC13;
+ ek_nand_data.enable_pin = AT91_PIN_PC14;
+ }
+
+ /* configure chip-select 3 (NAND) */
+ if (machine_is_usb_a9g20())
+ sam9_smc_configure(3, &usb_a9g20_nand_smc_config);
+ else
+ sam9_smc_configure(3, &usb_a9260_nand_smc_config);
+
+ at91_add_device_nand(&ek_nand_data);
+}
+
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("rv3029c2", 0x56),
+ },
+};
+
+static void __init ek_add_device_leds(void)
+{
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20())
+ ek_leds[0].active_low = 0;
+
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+}
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ ek_add_device_udc();
+ /* SPI */
+ ek_add_device_spi();
+ /* Ethernet */
+ ek_add_device_eth();
+ /* NAND */
+ ek_add_device_nand();
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ ek_add_device_leds();
+
+ if (machine_is_usb_a9g20()) {
+ /* I2C */
+ at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
+ } else {
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
+ | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+ }
+}
+
+MACHINE_START(USB_A9263, "CALAO USB_A9263")
+ /* Maintainer: calao-systems */
+ .timer = &at91sam926x_timer,
+ .map_io = at91_map_io,
+ .init_early = ek_init_early,
+ .init_irq = at91_init_irq_default,
+ .init_machine = ek_board_init,
+MACHINE_END
+
+MACHINE_START(USB_A9260, "CALAO USB_A9260")
+ /* Maintainer: calao-systems */
+ .timer = &at91sam926x_timer,
+ .map_io = at91_map_io,
+ .init_early = ek_init_early,
+ .init_irq = at91_init_irq_default,
+ .init_machine = ek_board_init,
+MACHINE_END
+
+MACHINE_START(USB_A9G20, "CALAO USB_A92G0")
+ /* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */
+ .timer = &at91sam926x_timer,
+ .map_io = at91_map_io,
+ .init_early = ek_init_early,
+ .init_irq = at91_init_irq_default,
+ .init_machine = ek_board_init,
+MACHINE_END
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff